Turner, R. (1987). Thinkers of the Twenthieth century (2nd ed.). St. James Press.
Chicago-čujuhus (17. p.)Turner, Roland. Thinkers of the Twenthieth Century. 2nd ed. Chicago : London: St. James Press, 1987.
MLA-čujuhus (9. p.)Turner, Roland. Thinkers of the Twenthieth Century. 2nd ed. St. James Press, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.